Diamond tip drill bit 13
1.Besharp Diamond manufacture high quality Diamond tip drill bit for coal mining,the regular size is 25.4mm,27mm,28mm,30mm,32mm,42mm,48mm,etc.,2 wing or 3 wings are available.
2.Product Introduction of Diamond tip drill bit
Diamond tip drill bit is made with PDC cutters brazed to steel body.Compared with tungsten carbide drill bit, it can supply longer drill life and higher drilling speed,its life increased 10-30 times,has good performance in medium hard to hard rock. hex driver kufri khushab
